# Enumerability

A property setting that controls whether common enumeration operations include that property.

## What is **Enumerability** in JavaScript?

**Enumerability** — A property setting that controls whether common enumeration operations include that property.

```javascript
Object.defineProperty(order, "id", {
    value: 2048,
    enumerable: false
});
```

Level: Master · [More JavaScript terms at this level](https://www.ask-codey.com/glossary/subjects/javascript/master)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/enumerability